| Patents for C10G 33 - De-watering or demulsification of hydrocarbon oils (2,962) |
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| 11/23/1999 | US5989892 Microorganisms, demulsifiers and processes for breaking an emulsion |
| 11/23/1999 | US5989436 Demulsification into oil-rich and first water-rich phases, further dehydration of oil-rich phase to yield second water-rich phase, combining water phases and mixing with demulsifier, then separating resulting purified water and oil |
| 11/10/1999 | EP0955076A1 Process for separating a first from a second liquid |
| 11/10/1999 | CN1234287A Method for separating a liquid from another liquid |
| 11/09/1999 | US5981687 Formed by reacting a polyol with an aromatic hydrocarbon containing only a single reactive epoxy functionality |
| 11/02/1999 | CA2166577C Process for removing chlorides from crude oil |
| 09/30/1999 | CA2227520A1 An active filter of composite sinterized material and process for separation of hydrophobic organic material from soil and aqueous fluids using controlled interface tensions and pore sizes |
| 09/15/1999 | EP0790290A4 Method and device for the filtration, degassing and dehydration of, and removal of ageing products from pretroleum oils |
| 09/14/1999 | US5950732 Useful for recovering liquid hydrocarbons from gas from hydrates of hydrate formation on an ocean floor |
| 09/07/1999 | US5948242 Refining heavy crude oil-in-water emulsion by dilution with a light hydrocarbon, demulsification by flashing, recovering separated crude oil from remaining liquid effluent |
| 09/02/1999 | WO1999043767A1 Device and method for processing crude oil |
| 09/02/1999 | CA2321990A1 Crude oil processing apparatus and crude oil processing method |
| 08/24/1999 | US5942121 Method and apparatus for filtering, degassing, dehydrating and removing products of ageing in petroleum oils |
| 08/12/1999 | WO1999029386A3 Method for dehydrating crude oil and petroleum products and device for realising the same |
| 07/28/1999 | CN1223896A Crude de-emulsifier and its preparing process |
| 07/07/1999 | CN1221775A Dewatering tech. for microwater in organic solvent |
| 07/06/1999 | US5919353 Recovering an oil component from an oil-in-water emulsion of tarry material or heavy fuel oil which contains as an impurity 400 ppm or above of vanadium and which is solid at room temperatures, the emulsion containing 100 ppm or above of a |
| 06/22/1999 | US5914014 Enhanced oil recovery |
| 06/17/1999 | WO1999029386A2 Method for dehydrating crude oil and petroleum products and device for realising the same |
| 06/16/1999 | CN1219951A Diesel fuel and lubricating oil antifoams and methods of use |
| 05/27/1999 | WO1999025795A1 Process for recovering high quality oil from refinery waste emulsions |
| 05/20/1999 | WO1999024709A1 Improved and high flow capacity separator intended to remove the water and solids contained in diesel fuel |
| 05/12/1999 | EP0784645B1 Process for producing oligoamines or polyamines |
| 05/12/1999 | CN1216478A Oil/water/biocatalyst three phase separation process |
| 04/28/1999 | EP0910616A1 Process for removal of organo-sulfur compounds from liquid hydrocarbons |
| 04/28/1999 | CN1043150C Dewatering equipment of hydrocarbon oil |
| 04/27/1999 | US5897767 Composition and process for the treatment and recovery of oil sludge |
| 04/22/1999 | WO1999019425A1 Process for upgrading heavy crude oil production |
| 04/08/1999 | WO1999016834A1 Amphiphilic particles or molecules with predominantly hydrophilic and predominantly hydrophobic domains distributed anisotropically on their surface |
| 04/01/1999 | DE19742761A1 An ihrer Oberfläche anisotrop verteilte überwiegend hydrophile und überwiegend hydrophobe Domänen aufweisende amphiphile Teilchen oder Moleküle On its surface anisotropically distributed predominantly hydrophilic and predominantly hydrophobic domains containing amphiphilic particles or molecules |
| 04/01/1999 | DE19742759A1 Amphiphilic anisotropic particles for e.g. stabilizing or destabilizing emulsions and foams in suspension polymerisation |
| 03/24/1999 | CN2311493Y Multi-stage dispersion and coalescencing crude oil electric desalting and dehydrating equipment |
| 03/23/1999 | US5885424 Treating water in oil emulsion with demulsifier, enhancing demulsification by subjecting the mixture to low frequency sonication within a hollow chamber |
| 03/16/1999 | US5882506 Process for recovering high quality oil from refinery waste emulsions |
| 03/10/1999 | EP0900113A1 Oil/water/biocatalyst three phase separation process |
| 03/09/1999 | US5879541 Apparatus and method for removing oil from oil-coated particles |
| 02/18/1999 | WO1999007808A1 Method for demulsifying emulsions |
| 02/18/1999 | CA2299357A1 Method for demulsifying emulsions |
| 02/11/1999 | DE19733977A1 Verfahren zur Spaltung von Emulsionen A process for breaking emulsions |
| 02/03/1999 | CN1206735A Fine preparation method for gas |
| 02/02/1999 | CA2100141C Crude oil dehydration and desalting system with a higher gravity than 10o api in mixing pipelines |
| 01/20/1999 | EP0891406A1 Diesel fuel and lubricating oil antifoams and methods of use |
| 01/13/1999 | CN1204682A Demulsification method for purified diesel oil with alkaline cleaning electricity |
| 01/07/1999 | WO1999000169A1 Apparatus and method for separating a mixture of a less dense liquid and a more dense liquid |
| 12/30/1998 | EP0887096A1 Apparatus and method for separating a mixture of a less dense liquid and a more dense liquid |
| 12/30/1998 | EP0853651A4 Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 12/23/1998 | CN1202922A Cleaning compositions for oil and gas well, lines, casings, formations and equipment and its methods of use |
| 12/22/1998 | US5851433 Method of and composition for breaking oil and water emulsions in crude oil processing operations |
| 12/08/1998 | US5846453 Process for producing oligoamines or polyamines |
| 12/02/1998 | EP0880572A1 Demulsifiers |
| 10/20/1998 | US5824836 Processing system for condensing hydrocarbon emissions from a vapor stream |
| 10/08/1998 | WO1998044078A1 System and method for hydrate recovery |
| 10/08/1998 | CA2285196A1 System and method for hydrate recovery |
| 10/07/1998 | EP0713504B1 Reaction products from olefinically unsaturated carboxylic acids and polyetherols and their use as demulsifying agents for crude oil emulsions |
| 10/04/1998 | CA2248280A1 Organic recovery system and method |
| 07/22/1998 | EP0853651A1 Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 07/08/1998 | CN1186838A Emulsion breaking agent synthesized from efflorescent coal and lactic acid as basic raw material |
| 07/08/1998 | CN1186710A Polymer type crude oil demulsifier |
| 06/30/1998 | US5772901 Oil/water/biocatalyst three phase separation process |
| 06/30/1998 | US5772866 Compositions and methods for breaking water-in-oil emulsions |
| 06/02/1998 | US5759409 Separation of water from crude oil and oil demulsifiers used for this purpose |
| 05/29/1998 | CA2191684A1 Recycle heat exchange flash treater and process |
| 04/07/1998 | US5736031 Vaporizing, separating, and condensing wellbore drilling fluid to decontaminate soil; pollution control |
| 04/02/1998 | WO1998013440A1 Separation of hydrocarbons/water/emulsifier mixtures |
| 03/24/1998 | US5730905 Method of resolving oil and water emulsions |
| 02/26/1998 | WO1998007494A1 Method and device for dehydrating hydrocarbon media |
| 02/03/1998 | US5714048 Method and apparatus for oil/water de-emulsification |
| 01/13/1998 | US5707510 Crude oil emulsion treating apparatus and method |
| 12/24/1997 | WO1997035945A3 Process for removal of organo-sulfur compounds from liquid hydrocarbons |
| 12/02/1997 | US5693257 Using a mixture of a nonalkoxylated alkylphenol-formaldehyde resin and a polyoxyalkylene (2 to 4 carbons) glycol; desalting crude oil |
| 12/02/1997 | US5693216 Method of and composition for breaking oil and water emulsions in crude oil processing operations |
| 11/06/1997 | WO1997040903A1 Oil/water/biocatalyst three phase separation process |
| 11/06/1997 | CA2253213A1 Oil/water/biocatalyst three phase separation process |
| 11/04/1997 | US5684096 Demulsifiers |
| 10/16/1997 | WO1997038067A1 Diesel fuel and lubricating oil antifoams and methods of use |
| 10/15/1997 | EP0800567A2 Method for demetallating refinery feedstreams |
| 10/02/1997 | WO1997035945A2 Process for removal of organo-sulfur compounds from liquid hydrocarbons |
| 10/02/1997 | CA2254726A1 Process for removal of organo-sulfur compounds from liquid hydrocarbons |
| 10/01/1997 | CN1161055A Method and device for the filtration, degassing and dehydration of, and removal of ageing products from petroleum oils |
| 09/24/1997 | CN1160409A Process for producing oligoamines or polyamines |
| 09/16/1997 | US5667727 Polyether of alkylene glycol and sorbitol reacted with an aromatic epoxide |
| 08/26/1997 | US5661220 Reaction products of olefinically unsaturated carboxylic acids and polyetherols and their use as demulsifiers for crude oil emulsions |
| 08/20/1997 | EP0790290A1 Method and device for the filtration, degassing and dehydration of, and removal of ageing products from pretroleum oils |
| 08/14/1997 | CA2244974A1 Process for reducing salt content in a hydrocarbon containing fluid |
| 08/07/1997 | WO1997028234A1 Demulsifiers |
| 08/07/1997 | DE19603696A1 Demulgatoren Demulsifiers |
| 07/23/1997 | EP0784645A1 Process for producing oligoamines or polyamines |
| 07/15/1997 | US5647981 Device for separating phases of different densities and conductivities by electrocoalescence and centrifugation |
| 07/01/1997 | US5643469 Process for separating phases of different densities and conductivities by electrocoalescence and centrifugation |
| 06/12/1997 | WO1997020611A1 Compositions and methods for breaking water-in-oil emulsions |
| 06/12/1997 | WO1997012144A3 Fluid purification apparatus with high flow rate capacity |
| 05/21/1997 | EP0717764B1 Liquid/solid separation |
| 05/13/1997 | US5628901 Vessel for treating liquids |
| 04/10/1997 | WO1997012947A1 Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 04/03/1997 | WO1997012144A2 Fluid purification apparatus with high flow rate capacity |
| 03/19/1997 | EP0763077A1 Method for separating water from crude oil and petroleum emulsion cracking agent used therein |
| 03/18/1997 | US5612490 Method and apparatus for measuring phases in emulsions |
| 03/18/1997 | US5611869 Adding aqueous solution of alkylphenol-formaldehyde resin alkoxylate, polyethylene glycol dialkyl ester and solvent |
| 03/18/1997 | CA2033660C Apparatus and method for separating water from crude oil |
| 03/11/1997 | US5609794 Reaction product of a polyoxyalkylene unsaturated polyester adduct with oxyalkylated alkylphenol-formaldehyde resin |